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Simplifying 25 = -9x2 + -30x Reorder the terms: 25 = -30x + -9x2 Solving 25 = -30x + -9x2 Solving for variable 'x'. Reorder the terms: 25 + 30x + 9x2 = -30x + 30x + -9x2 + 9x2 Combine like terms: -30x + 30x = 0 25 + 30x + 9x2 = 0 + -9x2 + 9x2 25 + 30x + 9x2 = -9x2 + 9x2 Combine like terms: -9x2 + 9x2 = 0 25 + 30x + 9x2 = 0 Factor a trinomial. (5 + 3x)(5 + 3x) = 0Subproblem 1
Set the factor '(5 + 3x)' equal to zero and attempt to solve: Simplifying 5 + 3x = 0 Solving 5 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 3x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 3x = 0 + -5 3x = 0 + -5 Combine like terms: 0 + -5 = -5 3x = -5 Divide each side by '3'. x = -1.666666667 Simplifying x = -1.666666667Subproblem 2
Set the factor '(5 + 3x)' equal to zero and attempt to solve: Simplifying 5 + 3x = 0 Solving 5 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 3x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 3x = 0 + -5 3x = 0 + -5 Combine like terms: 0 + -5 = -5 3x = -5 Divide each side by '3'. x = -1.666666667 Simplifying x = -1.666666667Solution
x = {-1.666666667, -1.666666667}
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